The term 'criticize in no uncertain terms' can be broken down into four crossword solutions: BLAST (5 letters), ROAST (5 letters), BASH (4 letters), and RIP (3 letters). All of these words are synonyms for criticizing someone harshly. BLAST is an explosive word that implies a strong, sudden outburst of criticism. ROAST is a term used to describe a humorous, but often biting, critique of someone or something. BASH is a more general term for attacking someone verbally. Finally, RIP is a slang term for criticizing someone in a very harsh way.